//////////////////////////////////////////////////////////////////////////////////
//
// ActionScript 3.0 Common Code Library (MIT License)
// Copyright (c) 2009 AS3CommonCode | Tony Birleffi | http://www.mosaiceye.com
// 
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
// The following people are credited with originating all or parts of this code:
// FlashDoctors | flashdoctors.sourceforge.net
//
//////////////////////////////////////////////////////////////////////////////////

package org.as3commoncode.collections 
{	
	import org.as3commoncode.collections.IIterator;	
	import org.as3commoncode.collections.IList;
	import org.as3commoncode.collections.ArrayList;
	
	/**
	 * A list iterator.
	 * 
	 * @see	org.as3commoncode.collections.IIterator;
	 * @author Tony Birleffi
	 */	
	public class ListIterator implements IIterator
	{
		/** * The IList reference. */
		protected var list:IList;
		
		/** The idx int var. */
		protected var idx:int;
		
		/**
		 * Constructor.
		 * 
		 * @param l		IList.
		 */
		public function ListIterator(l:IList)
		{	
			this.list = new ArrayList();
			var a:Array = l.toArray();
			var i:int;
			for (i=0; i<a.length; i++)
			{
				list.addItem(a[i]);
			}
			this.idx = 0;
		}
		
		/**
		 * The has next method.
		 * 
		 * @return Boolean.
		 */
		public function hasNext():Boolean
		{
			return (this.idx < list.size());
		}
		
		/**
		 * The next object.
		 * 
		 * @return Object.
		 */
		public function next():Object
		{
			var obj:Object = list.getItemAt(idx);
			this.idx += 1;
			return obj;
		}
		
		/**
		 * The reset method.
		 */
		public function reset():void
		{
			this.idx = 0;
		}
	}
}